Top Features of Java 21 [Updated: 9/4/2025]

Posted By: IrGens

Top Features of Java 21 [Updated: 9/4/2025]
.MP4, AVC, 1280x720, 30 fps | English, AAC, 2 Ch | 36m | 87.4 MB
Instructor: Bethan Palmer

In this course, developer Bethan Palmer guides you through the top features of Java 21. After an overview of the Java release cycle, dive into string templates, sequenced collections, and record patterns. Learn about pattern matching with switch statements, as well as how to use unnamed patterns and variables. Discover the new way to define main methods and find out what an unnamed class is. Plus, explore virtual threads and generational ZGC.

Learning objectives

  • Recall the most common features of Java 21
  • Summarize what each feature is
  • Demonstrate how to use the features